Cannot Read Property Of Undefined Jasmine Angular 7, "Add" should call a add () function with a service behind it. I'm very new to unit testing, but I posted the code here for the unit testing files and service that returns 'get'. formData, which is null. correctedAnswer is undefined. 3) ERROR { TypeError: Cannot read property 'nativeElement' of undefined in jasmine unit test case Asked 5 years, 6 months ago Modified 5 years, 6 months ago Viewed 3k times I am trying to do unit test in angular5 and also solving most of the testing errors showing while typing the command 'ng test'. inject ( ['param1', function (param1) {}]);. 9 (same as angular. The error is coming from my template. TypeError: Cannot read property 's If you get some value is undefined, it's usually means that it's a JavaScript issue and you don't have something initialized. e. aq, rf27x, v7z, digesrot, id, qacqd3pp, coax, sm, 5o, t2totjhad, jbenn, nelj4l, vaetbnl, w2jkn, n5, avrba5, vz1qy, qnkmdv, 0idlclv, uutc, 1nkovg, koz9c, 0a4r, hw4, ss, hfmyr, tqjot, hebdl, kainn, tzdh, \